syenite
noun
a granular igneous rock consisting chiefly of orthoclase and oligoclase with hornblende, biotite, or augite.
syenitic
-
a word derived from
syenite.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The southern part of this island is mainly formed of mountains of greenstone, which often assumes a syenitic character, and contains much hypersthene.
From Volcanic Islands by Charles Darwin
There is some fine-grained syenitic granite, orbicularly marked by ferruginous lines, and weathering into vertical, cylindrical holes, almost touching each other.
From Geological Observations on South America by Charles Darwin
Peucati, Count Mazari, partial infection of calcareous beds by the contact of syenitic granite in the Tyrol, 262.
From COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 by Alexander von Humboldt
Yet the surrounding rocks are of the same granite, mixed with a little hornblende, which we had found at Javita, and which assumes a syenitic aspect.
From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 by Alexander von Humboldt
The Karuma Falls, if such they may be called, are a mere sluice or rush of water between high syenitic stones, falling in a long slope down a ten-feet drop.
From The Discovery of the Source of the Nile by John Hanning Speke
